Vivianite Mori H, Ito T Acta Crystallographica 3 (1950) 1-6 The structure of vivianite and symplesite Locality: Ashio, Japan _database_code_amcsd 0009138 10.08 13.43 4.70 90 104.50 90 C2/m atom x y z FeI 0 0 0 FeII 0 .390 0 P .315 0 .410 OI .155 0 .350 OII .400 0 .750 OIII .365 .100 .245 WatI .085 .110 .820 WatII .400 .220 .750